Miguel Grau (1834–1879) was a Peruvian naval officer.

Miguel Grau may also refer to:

People Miguel Grau (football manager) (born 1984), Spanish football manager

Organisations Miguel Grau de Abancay, Peruvian football club

Places Estadio Miguel Grau (disambiguation), various stadiums in Peru Miguel Grau Avenue (disambiguation), various streets in Peru Miguel Grau metro station in Lima, Peru

See also Almirante Grau (disambiguation), topics named after Miguel Grau including his rank as admiral